title: Cost effectiveness of prophylaxis of venous thromboembolism.
mesh_terms: D003362:Cost-Benefit Analysis; D004599:Electric Stimulation Therapy; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D011183:Postoperative Complications / Q000517:prevention & control*; D013923:Thromboembolism / Q000517:prevention & control*
chemical_list: D006493:Heparin